We just improved upon a classic - the Classic™ Light is exactly what your everyday ride has been missing. Lightweight meets heavy-duty for a pack that is durable, adaptable, and comfortable for any length adventure. The sleek design features a 2L Crux® Reservoir with Quicklink™ disconnect and an extra 2L of cargo space.The Air Support™ Light Back Panel and a ventilated harness ensure effective cooling and ultimate breathability. The bungee overflow allows you to quickly stash an extra layer without missing a beat. With a secured zippered pocket to store your keys and phone, plus an adjustable sternum strap for a custom fit and increased stability, you have everything you need to hit the trail, stay hydrated, and have fun out there. Features Lightweight and Durable Materials Air Support™ Light Back Panel: Designed with body mapping technology for efficient ventilation and lightweight comfort Ventilated Harness: Lightweight and breathable Integrated Tool Organization Secure Zippered Pocket: Perfect for keys, phone, or other essentials Bungee Overflow: Quickly stash or shed an extra layer Adjustable Sternum Strap: Offers a range of adjustments for a custom fit and increased stability Tube Trap Management: Keeps your tube secure and accessible when you need it. Light Loop: Clip on a light to make the ride to and from the trailhead safe Helmet Carry: Stow and secure helmet Reflectivity: For low light safety Specifications Dimensions: 40 x 23 x 16cm Material: Bluesign® Approved RN40D Ripstop body, with P135D Solution Dyed with C0 DWR lining. Suspension: 3D Vent Mesh Storage capacity: 2L Reservoir type: 2L Crux Volume: 4L Fit range: Torso: 38 - 53cm